Westport Replaces Previous Debt with $36 Million of Lower Cost Debt

published: September 23, 2011

NOT FOR DISSEMINATION IN THE UNITED STATES OR OVER UNITED STATES WIRE SERVICES

VANCOUVER - Westport Innovations Inc. (TSX: WPT) (NASDAQ: WPRT), the global leader in natural gas engines, today announced that it has raised CDN$36 million through the issuance of debentures offered by Macquarie Private Wealth Inc. (Macquarie), on a private placement basis, to replace previously issued debentures that matured in July 2011. 

The debentures are unsecured and subordinated to senior indebtedness, mature on September 22, 2014 and bear interest at 9% per annum, payable in cash semi-annually in arrears on March 15th and September 15th of each year during the term, commencing on March 15, 2012. The debentures are not listed on any stock exchange.  Westport has paid to Macquarie a cash commission equal to 3.85% of the gross proceeds of the offering.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any state in the United States in which such offer, solicitation or sale would be unlawful. The securities referred to herein have not been and will not be registered under the United States Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.

About Westport

Westport engineers the world's most advanced natural gas engines and vehicles. More than that, we are fundamentally changing the way the world travels the roads, rails and seas. We work with original equipment manufacturers worldwide from design through to production, creating products to meet the growing demand for vehicle technology that will reduce both emissions and fuel costs. To learn more about our business, visit westport.comsubscribe to our RSS feed, or follow us on Twitter @WestportDotCom.

Cautionary Note Regarding Forward Looking Statements

This document contains forward-looking statements, including statements regarding the demand for our products, the future success of our business and technology strategies, investment, cash and capital requirements, intentions of partners and potential customers, the performance and competitiveness of our products and expansion of product coverage, future market opportunities, speed of adoption of natural gas for transportation, growth in demand as a result of new emission standards and terms of future agreements. These statements are neither promises nor guarantees, but involve known and unknown risks and uncertainties and are based on assumptions that may cause our actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activities, performance or achievements expressed in or implied by these forward looking statements. These risks and assumptions include risks and assumptions related to our revenue growth, operating results, industry and products, the general economy, conditions of and access to the capital and debt markets, governmental policies and regulation, technology innovations, fluctuations in foreign exchange rates, global government stimulus packages, the acceptance of natural gas vehicles in fleet markets, the relaxation or waiver of fuel emission standards, the inability of fleets to access capital or government funding to purchase natural gas vehicles, the sufficiency of bio methane for use in our vehicles, the development of competing technologies as well as other risk factors and assumptions that may affect our actual results, performance or achievements or financial position discussed in our most recent Annual Information Form and other filings with securities regulators. Readers should not place undue reliance on any such forward-looking statements, which speak only as of the date they were made. We disclaim any obligation to publicly update or revise such statements to reflect any change in our expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward looking statements except as required by National Instrument 51-102.

More Information

Westport
(Investor Inquiries)

Darren Seed

Vice President, Investor Relations and Communications

T 604-718-2046

invest@westport.com

www.westport.com